Why I used a 50-year-old algorithm instead of embeddings to cut Claude API token costs

📰 Dev.to · Praful Reddy

Learn how to reduce Claude API token costs by using a 50-year-old algorithm instead of embeddings

intermediate Published 22 Apr 2026
Action Steps
  1. Build a local proxy using BM25 algorithm to filter relevant knowledge
  2. Configure the proxy to route queries to Claude API
  3. Test the proxy with sample queries to measure cost savings
  4. Compare the cost of using BM25 with embeddings-based approach
  5. Apply the optimized solution to production environment to reduce token costs
Who Needs to Know This

Developers and engineers working with language models can benefit from this approach to optimize costs and improve performance

Key Insight

💡 Using a traditional algorithm like BM25 can be more cost-effective than embeddings for certain use cases

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📊 Cut Claude API token costs by 50% using a 50-year-old algorithm! 🤖
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